De Forest Radio Tel. Co. v. United States - 273 U.S. 236 (1927)
U.S. Supreme Court
De Forest Radio Tel. Co. v. United States, 273 U.S. 236 (1927)
De Forest Radio Telephone Company v. United States
Argued January 20, 1927
Decided February 21, 1927
273 U.S. 236
A license to make and use a patented article does not depend on formal language, and, as a defense to a subsequent suit for infringement, a license may be inferred from the patent owner's words and acts indicative of his consent, with a reservation of his right to compensation. P. 273 U. S. 241.
60 Ct.Cls. 1034 affirmed.
Appeal from a judgment of the Court of Claims dismissing the petition in a suit to recover damages for alleged unlawful use of patented articles by the United States.